diff --git a/pyproject.toml b/pyproject.toml
index 23a7bc1..1d9f102 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mkdocs-drawio"
-version = "1.12.0"
+version = "1.12.1"
 description = "MkDocs plugin for embedding Drawio files"
 authors = [
     "Jan Larwig <jan@larwig.com>",
@@ -26,7 +26,7 @@ python = ">=3.8.0,<4.0"
 requests = ">=2.0"
 Jinja2 = ">=3.0"
 beautifulsoup4 = ">=4.0"
-lxml = ">=4.0"
+lxml = ">=4.8"
 mkdocs = ">=1.4"
 
 [tool.poetry.group.dev.dependencies]